(19)
(11) EP 0 266 186 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.09.1989 Bulletin 1989/39

(43) Date of publication A2:
04.05.1988 Bulletin 1988/18

(21) Application number: 87309518.6

(22) Date of filing: 28.10.1987
(51) International Patent Classification (IPC)4: H04N 1/46
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 29.10.1986 JP 258950/86
27.01.1987 JP 15121/87
27.01.1987 JP 15128/87
27.01.1987 JP 15131/87
28.01.1987 JP 16214/87

(71) Applicant: CANON KABUSHIKI KAISHA
Tokyo (JP)

(72) Inventors:
  • Usami, Akihiro
    Kohoku-ku Yokohama-shi Kanagawa-ken (JP)
  • Fukushima, Hisashi
    Yokohama-shi Kanagawa-ken (JP)

(74) Representative: Beresford, Keith Denis Lewis et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ
London WC1R 5DJ (GB)


(56) References cited: : 
   
       


    (54) Colour image reading apparatus or colour image forming apparatus


    (57) A colour copying machine includes a reading unit (6) for reading a colour original (1), a correction unit (15, 16) for performing a colour correction processing of a colour image signal read by the reading unit, an image forming unit (7) for forming a colour image based on a correction output from the correction unit, and a setting unit (22, 23) for setting a correction characteristic of the colour correction processing based on the colour image signal read by the reading unit.






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